#include <iostream>
using namespace std;

extern "C" {
    char py2c(int x, double y, char z);
}

char py2c(int x, double y, char z){
    cout << x << " belong to int type!" << endl;
    cout << y << " belong to double type!" << endl;
    cout << z << " belong to char type!" << endl;
    cout << "x + y = " <<endl;
    return x+y;
}